Blue-flame oil stove



Jam, 9, 1928. 1,4418%. M. A. POSSONS ET AL. BLUE FLAME 01L STOVE.

FILED MAR. 27,1922.

3 $HEETS--SHEET 1.

um-61m Jam. 9, 1923.. 1,441,880, M. A. POSSONS ET AL.

BLUE FLAME OIL STOVE.

FILED MAR. 27, 1922- 3 SHEETS-SHEET 2.

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Patented dun. h,

v unit sures MINARD A. POSSONS AND A'IWELL J. BLACKFORD, 01 CLEVELAND, GHIO, ASSIGHOJRS TO AMERICAN STOVE COMPANY, OF ST. LOUIS, MISSOURL-B. CORPGRATION UF HEY? I JERSEY.

Application filed March 27,

. for the outer wick tube wall and also the removable wick tube head combined with a coaibustionsection having a tapered lower en The primary object of the improvement is to make the head of the outer wiclr tube removable whereby the wiclris readily re moved, and is readily accessible to the" user.

Another object of the present impreve ment is to keep the burner cool while in -op oration Whereb the wick is not charred.

A further 0 ject of the invention is to add to the cooling effect by combining with the removable head for the outer wick tube, a cpmbustion section having a tapered lower en Other objects of the invention will appear trom the following description 'ln the accompanying drawings--' I Fig; Lie 2% vertical sectional view oi a burner embodying the invention showing our present improvement applied thereto.

Fig. 2 is a perspective'view of the upper end of the wick tubes, showing the head of I the outerwick tube removed.

Fig. 3 is aside elevation'ot the improvemerit. i Fig. t is a verticalsectionicolring through one side of the improvement."

Fig. 5 is a side elevation partly in section showing a modificetion in. construction,

Fig. 6 is a vertical section through one side'of Fig. 5. '7

In the-type of burners to which the present improvement belongs there is e removeble combustion section 1 having a. tapered lower end 2 which its around the upper end. ot" the wick tubes. There is an inner wick tube 3 around which the wick 4 fits and this wick tube extends to the top of the burner. the term of burner here shown there is a B UE FLAME OIL STOVE.

1-922. Serial No. 547,224.

side space 5 formed between the inner and the outer wiclr tube. whereby there is ample room for the movement of the wick, while the wick below its the wall of the inner wick tube 3. The outer wick tube 6 is located some distance from the inner wick tul wilt) form the space 5 and it stops conr-siderably below the upper end oi the inner \viclr tube as shown.

There is provided a removable head 7 for the upper end of the outer wiclc tube and this head is so shaped that it r-:-.

tends in to, or substantially to, the wiclr. By providing the head 7 with an outwardly extending portion 8 and a depending" portion 9 it tits the upper end of the outer wick tube (3. head 7 is provided with an outwardly ex tendinglateral. flange 10 which forms a support for the lower tapered end 2 or the combustion section 1.

The upper end of the outer wick tube ti provided with en improved screw-threading arrangement "U. which consists of broken threads. and the depending portion 9 of the head 7 is provided with a screw portion 12 wh'ch fits the broken threads 11..

(there is secured to the inner side of the head 7 a depending annular flange 13, the upper end of this iiengge is substantially flush with the inner side of the head 7 and extends down parallel with the hear-(Land fits against the wick. '[n this way the head 7 is The upper end of the removable provided with the member that servesito i guide and hold the wick as it moves, while at the same time when the'head is removed this member 13 is removed. with it, leaving the space free for the replacing of the wiclr.

in Fig. 5 is shown a modification in the 'screw'threeded construction oi the parts which consists in having the broken threads beyond each other as shown at T. Further more in this view and also Fig. 6, is shown above the broken threads 7" agroov'e M- in the outer wi cle tube t. The object of this is to give added strength to the upper end of the outer wick tube.

As stated herein one of the objects of the invention is to maintain the burner cool and it is found that the removable head in the construction here shown, very materially coolsthe burner in operation, and it is also found that this construction combined with the tapered combustion section cooperates to assist in keeping the burner cool. It is prevent oil creeping to the combustion section. There is also shown in Fig. 1 an oil supply pipe 17 with which there is a connection 18, all of which have nothing to do with the present improvement.

Having thus described our invention what we desire to secure by Letters Patent is 1.- In a burner of the type described. a

- combination of an inner wick tube, an outcr wick tube stopping below the end of the inner wick tube, and a removable head secured to the upper end of the outer wick tube andforming a continuation of the outer tube, for the purpose described.

2. In a blue fiameburner, an inner wick tube, an outer wick tube stopping below the end of the inner wick tube, a removable head a for the outer wicktube forming an extensl'on of the outer wick tube, and a tapered combustion section, whereby the burner is cooled in its operation. 3. A burner comprising an inner wick tubeyan outer wick tube stopping below the upper end of the inner wick tube, a remov-' able head forming an extension of the outer wick 'tube and having at its lower portion a screw connection with the outer wick tube,

whereby the burner is cooled in operation.

4. A burner com risin am inner wick i tube, an outer wick tubestopping below the upper end of the inner wick tube, a removable head forthe outer wick tube and forming an extension of the outer wick tube, the

- removable head and. the outer wick tube having screw-threads below the end ofthe outer wick tube, for the purpose described.

'5. A burner comprising an inner wick,

tube, an outer wick tube stopping below the end of the inner wick tube, a removable head for the outer wick tube, the outer wick tube having broken threads at a point below its upper end, and the removable head having screw-threads cooperating with the broken threads.

6. A burner comprising an inner wick tube, an outer wick tube stopping below the upper end of the inner wick tube, the outer wick tube having broken threads below its pper end, a removable head for the outer wick tube having screw-threaded grooves to receive the broken threads and extending to the upper end of the inner wick tube.

7. A burner comprising an inner wick tube, an outer wick tube located away from the inner wick tube and stopping at a point below its upper end, a removable head for the outer wick tube, the said head cxtcnding in against the wick, For the purpose described.

8. A burner comprising an inner wick tube, an outer-wick tube removed from the inner wick tube, a removable .head for the outerwick tube extending inward,'"aml a depending collar attached to the inward extended poi'tion of the removable head and extending downward alongside of the wick, for the pni'posemescribed.

9. A burner comprising an inner \vick tube, a wick surrounding the tube, an outer wick tube removed from the wick and stop ping at a point below the end of the inner wick tube, and a removable head for the outer wick tubeextending in with its upper end in contact with the wick.

10. A burner comprising an inner wick tube, a wick surrounding the tube, an outer wick tube removed from the wick and st()p-' ping at a point below the upper end of the inner wick tube, a removable head having an inwardly extending upper end in engagement with the wick. and a collar connected to the inner side of the wick and extending down alongside of the wick.

In testimony whereof we hereunto afiix our signatures.

ATWELL J. BLACKFORD. MINARD A. POSSONS. 

